<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.global.js"></script>
</head>
<body>
    <div id="app">
        <label>
            {{message}} <br>
            {{'hi'}}    <br>
            {{[1,3,4]}} <br>
            <input type="text" v-model="message">
        </label>
    </div>
    <script>
        const app = Vue.createApp({
            data() {
                return {
                    message: 'Hello World!'
                }
            },
        });
        let vm = app.mount('#app');
    </script>
</body>
</html>